Meter
Kilometer
Centimeter
All of the above
Soil
Dead plants
Animals
Sunlight
Cycling of nitrogen between soil, water, and the atmosphere
Flow of energy from one organism to another in a food web
Conditions an animal needs to grow and reproduce
Living and non-living things in an area and their interactions
Boundaries
Scale
Food webs
Resilience
unchanging, fragile systems that are easily damaged
a collection of organisms and materials that interact
the place where animals live
only found in forests